66732770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 138378240

約数和(自身を除く): 71645470

約数列:

[1, 2, 5, 10, 13, 26, 29, 31, 58, 62, 65, 130, 145, 155, 290, 310, 377, 403, 571, 754, 806, 899, 1142, 1798, 1885, 2015, 2855, 3770, 4030, 4495, 5710, 7423, 8990, 11687, 14846, 16559, 17701, 23374, 33118, 35402, 37115, 58435, 74230, 82795, 88505, 116870, 165590, 177010, 215267, 230113, 430534, 460226, 513329, 1026658, 1076335, 1150565, 2152670, 2301130, 2566645, 5133290, 6673277, 13346554, 33366385, 66732770]

約数ペア:

[(1, 66732770), (2, 33366385), (5, 13346554), (10, 6673277), (13, 5133290), (26, 2566645), (29, 2301130), (31, 2152670), (58, 1150565), (62, 1076335), (65, 1026658), (130, 513329), (145, 460226), (155, 430534), (290, 230113), (310, 215267), (377, 177010), (403, 165590), (571, 116870), (754, 88505), (806, 82795), (899, 74230), (1142, 58435), (1798, 37115), (1885, 35402), (2015, 33118), (2855, 23374), (3770, 17701), (4030, 16559), (4495, 14846), (5710, 11687), (7423, 8990)]